Enclosure, Jamestown, Co. Limerick
Co. Limerick |
Enclosures
On the south-east-facing slope of Caher Hill in County Limerick, a raised circular earthwork sits quietly in pasture, easy to overlook and difficult to date with certainty.
What makes it quietly strange is the way it has held its form across centuries of agricultural use. The enclosure, roughly 26 metres north to south and 27.5 metres east to west, was built up deliberately to compensate for the natural slope of the hillside, leaving an interior that remains dry, level, and clear of overgrowth. Two depressions, each around ten metres in diameter, are visible within it, their purpose unrecorded. The bank that once defined the perimeter has been reduced in places to a scarp, a steep earthen edge rather than a proper raised bank, standing about 1.6 metres high on the surviving sections, with evidence of quarrying at the north-west and along the eastern and southern sides.
The enclosure appears on the Ordnance Survey six-inch map of 1840, already described as a raised circular area defined by a scarp, and again on the 1897 twenty-five-inch edition, by which point it had been partially absorbed into a field boundary running from the south, around the west and north, to the north-east. When the Archaeological Survey of Ireland carried out a ground survey in 1999, the monument was described as sub-circular, with a bank measuring 3.5 metres in overall width, reduced in places but still legible in the landscape. What gives the site an additional layer of interest is its immediate surroundings: two megalithic structures lie within 300 metres, one 235 metres to the north-east and another 280 metres to the south-west. Whether the enclosure is related to this prehistoric grouping or belongs to an entirely different period of activity on the hill is not established. The record was compiled by Fiona Rooney and uploaded to the national monuments database in November 2021.
The site is in active pasture, so access depends on the landowner and the season; the ground is reported as dry, which makes late summer or early autumn a reasonable time to visit. The monument is most easily spotted from aerial imagery, where it shows as a circular area enclosed by trees, visible on Google Earth orthoimages taken between 2011 and 2013. On the ground, look for the scarp edge and the subtle raising of the interior platform. The views from the hillside run from north-west to south-east across open Limerick countryside, which at least partly explains why someone, at some point, chose this particular slope.